- Histologically or cytologically confirmed endometrial (endometrioid, uterine, papillary serous carcinoma, and carcinosarcoma), ovarian (primary peritoneal/fallopian tube, serous, endometrioid, mixed, and poorly differentiated epithelial ovarian cancers [for purposes of eligibility, carcinosarcoma is considered a poorly differentiated carcinoma]), hepatocellular carcinoma, carcinoid or islet cell (neuroendocrine: well- or moderately-differentiated neuroendocrine) cancer which are locally advanced, recurrent, or metastatic